With 5Gambit at 0/0/2, he tanks everything. That gives 2 turns to allow Elektra to nab some of what Grocket lays down. By fthe time Gambatt is dead, you’ve already laid 2 of Elektra’s red to get all the black you need to keep her safe.
Steal all the tiles!
So you have switched one thing everybody complains about Gocket with the other thing everybody complains about Gambatt. Not sure if this really solves either issue. 
Use Thanos and destroy Gambat